Ken Friedman is one of the remaining living figures associated with Fluxus, a legendary group of artists, designers, composers, and architects whose members included Yoko Ono, Nam June Paik, George Maciunas, Milan Knizak, Mieko Shiomi, Dick Higgins, La Monte Young, Joseph Beuys and more, with such friends as John Cage, Christo and Jeanne-Claude. Lithuanian-born architect and artist Maciunas coined the term Fluxus from a Latin-based word meaning 'to flow', describing an experimental attitude to art that resisted conceptual and disciplinary boundaries. Higgins would later coin the term intermedia to refer to art forms that crossed boundaries so far that they gave birth to new forms and media ('Intermedia'). Fluxus itself was what Friedman describes as a 'laboratory of ideas' ('Fluxus: A Laboratory of Ideas'), serving as a crucial launching ground for such new media as performance art, installation, artist books, video art, mail art, new music, and more. Darren Tofts interviews Ken Friedman on the 50th anniversary of the Fluxus movement.